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Performance of a stabilized Fabry-Perot solar analyzer

  • D. M. Rust (a1), T. Appourchaux (a1) and F. Hill (a2)

Abstract

A unique solar lineshift analyzer described by Rust, Burton and Leistner (1986) has been used at the Sacramento Peak Observatory to study solar oscillations. Operation of this “Stablized Solar Analyzer” (SSA) depends on the electro-optic effect in crystalline lithium niobate, the substrate of the solid Fabry-Perot etalon. Voltage on the etalon shifts the passband by ∼ 4.5 × 10−4 Å/V. The etalon has a passband of 0.175 Å at 6102.7 Å. The stabilization system uses a tunable diode laser to relate the Fabry-Perot passband to the D2 line of atomic Cs 133, at 8521.46 Å. This system reduced instrumental noise to less than Δλ/λ = 10−9 over a six-hour interval.

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Copyright

References

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1. Hill, F., Rust, D. M. and Appourchaux, T., 1987, ‘Rotation in the Solar Convection Zone Inferred from Fabry-Perot Observations of the 5 min Oscillations,’ IAU Symp. 123 – Advances in Helio- and Asterosiesmology (Christensen-Dalsgaard, J., ed.), D. Reidel, Dordrecht (these proceedings).
2. Rust, D. M., 1985a, ‘Some Design Considerations for a Satellite-Borne Magnetograph,’ Workshop on Measurements of Solar Vector Magnetic Fields (Hagyard, M. J., ed.), NASA Conference Publication 2374 , p. 141.
3. Rust, D. M., 1985b, ‘New Materials Applications in Solar Spectral Analysis,’ Aust. J. Phys. 38, 781.
4. Rust, D. M., Burton, C. H. and Leistner, A. J., 1986, ‘A Tunable, Solid, Fabry-Perot Etalon for Solar Seismology,’ Soc. Photo-Opt. Inst. Eng. Conf. Proc. 627 (in press).
5. Rust, D. M., Kunski, R. and Cohn, R.F., 1986, ‘Development of Ultra-stable Filters and Lasers for Solar Seismology,’ APL Technical Digest 7, 209.

Performance of a stabilized Fabry-Perot solar analyzer

  • D. M. Rust (a1), T. Appourchaux (a1) and F. Hill (a2)

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